If you want to drive to Fermilab we have to know the address you will be driving from and the airport you would have used to get an estimate cost comparison. Fermilab will pay the lesser cost between an airline ticket (our Estimate) or the mileage reimbursement
You may prolong your visit in the area. Fermilab does not provide financial support for your additional stay. You will have to pay the difference in airfare based on our allowed travel days and your revised dates.